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WAEC Agricultural Science 2019 Question 16

Question 16

Rocks and Soil Formation

The diagram below illustrates a soil profile.
The soil horizon that is not supportive of the growth of tree crops is

Diagram for this question
  1. A.horizon A.
  2. B.horizon B.
  3. C.horizon C.
  4. D.horizon D.
Show the answer and explanation

Answer: D (horizon D.)

Explanation

Horizon D is solid bedrock, which roots cannot use.